What is the difference between a convergent boundary and subduction?
All subduction boundaries are convergent boundaries but not all convergent boundaries are subduction zones.
A subduction zone is a converging boundary formed when oceanic and continental crusts collide, pushing the oceanic crust beneath the latter to form a deep ocean trench and subduction zone.
Another possibility is that two ocean crusts—one connected to a continental crust and the other oceanic—meet and plunge into one another; a prime example of this kind of convergent boundary is the Marianna's trench, which is also a subduction zone.
Other examples of converging boundaries are the Himalaya, which are the highest mountains on Earth, where two continental crusts meet to form a subduction zone rather than one plate diving under the other. Another example of a converging boundary is the famous San Andras fault, which is caused by two plates meeting at an angle along the California coast to form a transverse fault.
Thus, convergent boundaries always give rise to subduction zones. However, there are also convergent boundaries that do not produce subduction zones.
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Subduction is a specific process that occurs at some convergent boundaries where one tectonic plate is forced beneath another plate into the Earth's mantle. Subduction usually occurs when an oceanic plate converges with either a continental plate or another oceanic plate. A convergent boundary is a tectonic plate boundary where two plates move toward each other.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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